valid statement造句

within a panel tag is not a valid statement
例如，面板标记中的
this failure could have a number of different causes, for example a statement running in an infinite loop, a user not having the correct privleges needed to perform a certain task causing a valid statement to fail or insert failure due to running out of space
出现这种失败可能有许多不同的原因，例如，语句无限循环运行、用户不具备执行某些任务所需的正确特权（导致有效的语句失败），或者由于空间不足而导致的插入失败等。
It's difficult to find valid statement in a sentence. 用valid statement造句挺难的